Rare machine account creation

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Requires one of the following data sources: Windows Event Collector OR XDR Agent with eXtended Threat Hunting (XTH)
Detection Modules	Identity Analytics
ATT&CK Tactic	Persistence (TA0003)
ATT&CK Technique	Create Account (T1136)
Severity	Informational

Description

A user was observed creating a machine account for the first time.

Attacker's Goals

Persistence using a valid account.

Investigative actions

• Verify the activity of the user who created the account.
• Follow actions performed by the new machine account.